Site Index and Height Growth Curves for Managed, Even-aged Stands of White Or Grand Fir East of the Cascades in Oregon and Washington, Volumes 246-260Collin D. Bevins, Donald L. Reukema, John Neisess, Kenneth W. Seidel, M. A. Radwan, P. H. Cochran, Paul E. Aho, R. Dennis Harr, Richard E. Miller Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978 - Browse - 21 pages |
From inside the book
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Page 1
... conifer clearcut slash fuels . This fuel type is represented by the System's slash ( I ) fuel model , whose general and specific para- meters are shown in table 1. The general parameters have a constant value for all nine fuel models ...
... conifer clearcut slash fuels . This fuel type is represented by the System's slash ( I ) fuel model , whose general and specific para- meters are shown in table 1. The general parameters have a constant value for all nine fuel models ...
Page 2
... conifer slash fuel population ( s ) ? ( 4 ) Are the current NFDRS general parameter values representative of western conifer slash species ? The approach used in the study was to collect all data available from the western National ...
... conifer slash fuel population ( s ) ? ( 4 ) Are the current NFDRS general parameter values representative of western conifer slash species ? The approach used in the study was to collect all data available from the western National ...
Page 6
... conifer clearcut fuel situations . In processing the screen this way , we have possibly increased the probability of obtaining a sig- nificant difference among fuel groups . The two assumed physiographic populations were not ...
... conifer clearcut fuel situations . In processing the screen this way , we have possibly increased the probability of obtaining a sig- nificant difference among fuel groups . The two assumed physiographic populations were not ...
Page 8
... conifer slash species is 72.8 cm - 1 , and 18.3 cm - 1 for the 1 - hour branch- wood . The needle component receives a weighting factor of 0.634 based upon its mass contribution to the 1 - hour size class fuel loading , and the woody ...
... conifer slash species is 72.8 cm - 1 , and 18.3 cm - 1 for the 1 - hour branch- wood . The needle component receives a weighting factor of 0.634 based upon its mass contribution to the 1 - hour size class fuel loading , and the woody ...
Page 9
... conifer slash species Brown and Roussopoulos ( 1974 ) . 3 / Bevins ( 1978 ) . the weighting method used , the small difference between the selected and NFDRS values , and the resolution required by the System , we feel that the current ...
... conifer slash species Brown and Roussopoulos ( 1974 ) . 3 / Bevins ( 1978 ) . the weighting method used , the small difference between the selected and NFDRS values , and the resolution required by the System , we feel that the current ...
Common terms and phrases
100 largest trees 50 percent atrazine average basal area Blue Mountains board-foot breast-high age calibration Cascade Range clearcuts conifer dead tops decay density diameter Douglas-fir equations estimated Forest and Range Forest Service fuel load fuel model grand fir height growth curves illus inches increases lodgepole pine logging mineral soil mixed conifer mountain hemlock National Forest natural regeneration NFDRS number of trees Oreg Oregon Pacific Northwest Pacific Northwest Forest partial cut peak flow percent of roadless planted ponderosa pine Portland postlogging programed harvest Range Exp Range Experiment Station reallocation regression road roadless area withdrawn sample seed seedlings Siskiyou National Forest slope spacing species Stocking percent streamflow study area study Forests subplots timber base timber harvest top-kill treatment period trees per acre tussock moth U.S. Department Umatilla Umatilla National Forest USDA values variables volume Washington watershed western white or grand Willamette National Forest